The new development of 4" rewindable submersible motors has made a breakthrough in technology. It is a rewindable submersible motor including the characteristics of removable waterproof cable connectors for easy maintenance, an extremely long service life, good performance within wider voltage fluctuations. The components, such as mechanical seal, copper winding wires and insulations are of superior quality. All submersible motors are tested under the most tringent quality control procedures.